#gallery-1 {
    margin: auto;
}

#gallery-1 .gallery-item {
    float: left;
    margin-top: 10px;
    text-align: center;
    width: 25%;
}

#gallery-1
img {
    border: 2px solid #cfcfcf;
}

#gallery-1 .gallery-caption {
    margin-left: 0;
}

#gallery-2 {
    margin: auto;
}

#gallery-2 .gallery-item {
    float: left;
    margin-top: 10px;
    text-align: center;
    width: 33%;
}

#gallery-2
img {
    border: 2px solid #cfcfcf;
}

#gallery-2 .gallery-caption {
    margin-left: 0;
}